/Engine/Plugins/Online/OnlineServices/Source/OnlineServicesInterface/Public/Online/Sessions.h
This event will trigger as a result of receiving a session invite.
[TOnlineEvent](API\Plugins\OnlineServicesInterface\Online\TOnlineEvent)< void(const [FSessionInviteReceived](API\Plugins\OnlineServicesInterface\Online\FSessionInviteReceived) &)> OnSessionInviteReceived()